ISO 6634:1982

Current Revision
Fruits, vegetables and derived products -- Determination of arsenic content -- Silver diethyldithiocarbamate spectrophotometric method

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ISO 6634:1982

Fruits, vegetables and derived products -- Determination of arsenic content -- Silver diethyldithiocarbamate spectrophotometric method

PUBLISH DATE 1982
ISO 6634:1982

The method consists in decomposing a test portion, reducing *arsenic (V)* to *arsenic (III)* with tin(II) chloride and transforming the arsenic into arsine by action of nascent hydrogen.

It involves forming a red coloured complex by the action of the arsine on silver diethyldithiocarbamate and measuring at a wavelength of 520 nm.

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